I never had that problem on Big Sur, and now on Monterey I do not have that problem either. It would be nice for someone who is encountering the issue to do some troubleshooting. Maybe it is the stuff you have in Notes, iCloud sync?
I use Notes for everything, save maps, Apple Music albums and songs, I use tags, save pictures, shared shopping lists, pdfs, web pages, pictures. I tried everything I could think of and I do not get this error
also, for those whining about apple not fixing it, you can't expect someone to fix a problem they can't duplicate. See if you can narrow it down a bit or isolate the issue. Activity monitor, open files and ports, sample?